Finding the Fourth Proportional to 3,843.39, 5,764.28 and 1,868.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,843.39 : 5,764.28 = 1,868.18 : x
2. Step 2: Convert to fraction form
   3,843.39/5,764.28 = 1,868.18/x
3. Step 3: Cross multiply
   3,843.39x = 5,764.28 × 1,868.18
4. Step 4: Simplify right side
   3,843.39x = 10,768,684.96
5. Step 5: Solve for x
   x = 10,768,684.96/3,843.39
6. Step 6: Final answer
   x = 2,801.87